142311330521402 has 16 divisors (see below), whose sum is σ = 244128128842752. Its totient is φ = 60949108236240.

The previous prime is 142311330521383. The next prime is 142311330521407. The reversal of 142311330521402 is 204125033113241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142311330521407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455144273 + ... + 3455185460.

It is an arithmetic number, because the mean of its divisors is an integer number (15258008052672).

Almost surely, 2^{142311330521402} is an apocalyptic number.

142311330521402 is a deficient number, since it is larger than the sum of its proper divisors (101816798321350).

142311330521402 is a wasteful number, since it uses less digits than its factorization.

142311330521402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910331213.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 142311330521402 its reverse (204125033113241), we get a palindrome (346436363634643).

The spelling of 142311330521402 in words is "one hundred forty-two trillion, three hundred eleven billion, three hundred thirty million, five hundred twenty-one thousand, four hundred two".